Package gnu.trove
Class TFloatObjectHashMap<V>
- java.lang.Object
-
- gnu.trove.THash
-
- gnu.trove.TPrimitiveHash
-
- gnu.trove.TFloatHash
-
- gnu.trove.TFloatObjectHashMap<V>
-
- All Implemented Interfaces:
TFloatHashingStrategy,java.io.Externalizable,java.io.Serializable,java.lang.Cloneable
public class TFloatObjectHashMap<V> extends TFloatHash implements java.io.Externalizable
An open addressed Map implementation for float keys and Object values. Created: Sun Nov 4 08:52:45 2001- Author:
- Eric D. Friedman
- See Also:
- Serialized Form
-
-
Field Summary
Fields Modifier and Type Field Description protected V[]_valuesthe values of the map-
Fields inherited from class gnu.trove.TFloatHash
_hashingStrategy, _set
-
Fields inherited from class gnu.trove.TPrimitiveHash
_states, FREE, FULL, REMOVED
-
Fields inherited from class gnu.trove.THash
_autoCompactionFactor, _autoCompactRemovesRemaining, _free, _loadFactor, _maxSize, _size, DEFAULT_INITIAL_CAPACITY, DEFAULT_LOAD_FACTOR
-
-
Constructor Summary
Constructors Constructor Description TFloatObjectHashMap()Creates a newTFloatObjectHashMapinstance with the default capacity and load factor.TFloatObjectHashMap(int initialCapacity)Creates a newTFloatObjectHashMapinstance with a prime capacity equal to or greater than initialCapacity and with the default load factor.TFloatObjectHashMap(int initialCapacity, float loadFactor)Creates a newTFloatObjectHashMapinstance with a prime capacity equal to or greater than initialCapacity and with the specified load factor.TFloatObjectHashMap(int initialCapacity, float loadFactor, TFloatHashingStrategy strategy)Creates a newTFloatObjectHashMapinstance with a prime value at or near the specified capacity and load factor.TFloatObjectHashMap(int initialCapacity, TFloatHashingStrategy strategy)Creates a newTFloatObjectHashMapinstance whose capacity is the next highest prime above initialCapacity + 1 unless that value is already prime.TFloatObjectHashMap(TFloatHashingStrategy strategy)Creates a newTFloatObjectHashMapinstance with the default capacity and load factor.
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description voidclear()Empties the map.TFloatObjectHashMap<V>clone()booleancontainsKey(float key)checks for the present of key in the keys of the map.booleancontainsValue(V val)checks for the presence of val in the values of the map.booleanequals(java.lang.Object other)Compares this map with another map for equality of their stored entries.booleanforEachEntry(TFloatObjectProcedure<V> procedure)Executes procedure for each key/value entry in the map.booleanforEachKey(TFloatProcedure procedure)Executes procedure for each key in the map.booleanforEachValue(TObjectProcedure<V> procedure)Executes procedure for each value in the map.Vget(float key)retrieves the value for keyjava.lang.Object[]getValues()Returns the values of the map.<T> T[]getValues(T[] a)Return the values of the map; the runtime type of the returned array is that of the specified array.inthashCode()TFloatObjectIterator<V>iterator()float[]keys()returns the keys of the map.float[]keys(float[] a)returns the keys of the map.Vput(float key, V value)Inserts a key/value pair into the map.voidputAll(TFloatObjectHashMap<V> map)Put all the entries from the given map into this map.VputIfAbsent(float key, V value)Inserts a key/value pair into the map if the specified key is not already associated with a value.voidreadExternal(java.io.ObjectInput in)protected voidrehash(int newCapacity)rehashes the map to the new capacity.Vremove(float key)Deletes a key/value pair from the map.protected voidremoveAt(int index)removes the mapping at index from the map.booleanretainEntries(TFloatObjectProcedure<V> procedure)Retains only those entries in the map for which the procedure returns a true value.protected intsetUp(int initialCapacity)initializes the hashtable to a prime capacity which is at least initialCapacity + 1.java.lang.StringtoString()voidtransformValues(TObjectFunction<V,V> function)Transform the values in this map using function.voidwriteExternal(java.io.ObjectOutput out)-
Methods inherited from class gnu.trove.TFloatHash
computeHashCode, contains, forEach, index, insertionIndex
-
Methods inherited from class gnu.trove.TPrimitiveHash
capacity
-
Methods inherited from class gnu.trove.THash
calculateGrownCapacity, compact, ensureCapacity, getAutoCompactionFactor, isEmpty, postInsertHook, reenableAutoCompaction, setAutoCompactionFactor, size, tempDisableAutoCompaction, trimToSize
-
-
-
-
Field Detail
-
_values
protected transient V[] _values
the values of the map
-
-
Constructor Detail
-
TFloatObjectHashMap
public TFloatObjectHashMap()
Creates a newTFloatObjectHashMapinstance with the default capacity and load factor.
-
TFloatObjectHashMap
public TFloatObjectHashMap(int initialCapacity)
Creates a newTFloatObjectHashMapinstance with a prime capacity equal to or greater than initialCapacity and with the default load factor.- Parameters:
initialCapacity- anintvalue
-
TFloatObjectHashMap
public TFloatObjectHashMap(int initialCapacity, float loadFactor)Creates a newTFloatObjectHashMapinstance with a prime capacity equal to or greater than initialCapacity and with the specified load factor.- Parameters:
initialCapacity- anintvalueloadFactor- afloatvalue
-
TFloatObjectHashMap
public TFloatObjectHashMap(TFloatHashingStrategy strategy)
Creates a newTFloatObjectHashMapinstance with the default capacity and load factor.- Parameters:
strategy- used to compute hash codes and to compare keys.
-
TFloatObjectHashMap
public TFloatObjectHashMap(int initialCapacity, TFloatHashingStrategy strategy)Creates a newTFloatObjectHashMapinstance whose capacity is the next highest prime above initialCapacity + 1 unless that value is already prime.- Parameters:
initialCapacity- anintvaluestrategy- used to compute hash codes and to compare keys.
-
TFloatObjectHashMap
public TFloatObjectHashMap(int initialCapacity, float loadFactor, TFloatHashingStrategy strategy)Creates a newTFloatObjectHashMapinstance with a prime value at or near the specified capacity and load factor.- Parameters:
initialCapacity- used to find a prime capacity for the table.loadFactor- used to calculate the threshold over which rehashing takes place.strategy- used to compute hash codes and to compare keys.
-
-
Method Detail
-
clone
public TFloatObjectHashMap<V> clone()
- Overrides:
clonein classTFloatHash- Returns:
- a deep clone of this collection
-
iterator
public TFloatObjectIterator<V> iterator()
- Returns:
- a TFloatObjectIterator with access to this map's keys and values
-
setUp
protected int setUp(int initialCapacity)
initializes the hashtable to a prime capacity which is at least initialCapacity + 1.- Overrides:
setUpin classTFloatHash- Parameters:
initialCapacity- anintvalue- Returns:
- the actual capacity chosen
-
put
public V put(float key, V value)
Inserts a key/value pair into the map.- Parameters:
key- anfloatvaluevalue- anObjectvalue- Returns:
- the previous value associated with key,
or
nullif none was found.
-
putIfAbsent
public V putIfAbsent(float key, V value)
Inserts a key/value pair into the map if the specified key is not already associated with a value.- Parameters:
key- anfloatvaluevalue- anObjectvalue- Returns:
- the previous value associated with key,
or
nullif none was found.
-
putAll
public void putAll(TFloatObjectHashMap<V> map)
Put all the entries from the given map into this map.- Parameters:
map- The map from which entries will be obtained to put into this map.
-
rehash
protected void rehash(int newCapacity)
rehashes the map to the new capacity.
-
get
public V get(float key)
retrieves the value for key- Parameters:
key- anfloatvalue- Returns:
- the value of key or (float)0 if no such mapping exists.
-
remove
public V remove(float key)
Deletes a key/value pair from the map.- Parameters:
key- anfloatvalue- Returns:
- an
Objectvalue or (float)0 if no such mapping exists.
-
equals
public boolean equals(java.lang.Object other)
Compares this map with another map for equality of their stored entries.- Overrides:
equalsin classjava.lang.Object- Parameters:
other- anObjectvalue- Returns:
- a
booleanvalue
-
hashCode
public int hashCode()
- Overrides:
hashCodein classjava.lang.Object
-
removeAt
protected void removeAt(int index)
removes the mapping at index from the map.- Overrides:
removeAtin classTFloatHash- Parameters:
index- anintvalue
-
getValues
public java.lang.Object[] getValues()
Returns the values of the map.- Returns:
- a
Collectionvalue - See Also:
getValues(Object[])
-
getValues
public <T> T[] getValues(T[] a)
Return the values of the map; the runtime type of the returned array is that of the specified array.- Parameters:
a- the array into which the elements of this collection are to be stored, if it is big enough; otherwise, a new array of the same runtime type is allocated for this purpose.- Returns:
- an array containing the elements of this collection
- Throws:
java.lang.ArrayStoreException- the runtime type of the specified array is not a supertype of the runtime type of every element in this collection.java.lang.NullPointerException- if the specified array is null.- See Also:
getValues()
-
keys
public float[] keys()
returns the keys of the map.- Returns:
- a
Setvalue
-
keys
public float[] keys(float[] a)
returns the keys of the map.- Parameters:
a- the array into which the elements of the list are to be stored, if it is big enough; otherwise, a new array of the same type is allocated for this purpose.- Returns:
- a
Setvalue
-
containsValue
public boolean containsValue(V val)
checks for the presence of val in the values of the map.- Parameters:
val- anObjectvalue- Returns:
- a
booleanvalue
-
containsKey
public boolean containsKey(float key)
checks for the present of key in the keys of the map.- Parameters:
key- anfloatvalue- Returns:
- a
booleanvalue
-
forEachKey
public boolean forEachKey(TFloatProcedure procedure)
Executes procedure for each key in the map.- Parameters:
procedure- aTFloatProcedurevalue- Returns:
- false if the loop over the keys terminated because the procedure returned false for some key.
-
forEachValue
public boolean forEachValue(TObjectProcedure<V> procedure)
Executes procedure for each value in the map.- Parameters:
procedure- aTObjectProcedurevalue- Returns:
- false if the loop over the values terminated because the procedure returned false for some value.
-
forEachEntry
public boolean forEachEntry(TFloatObjectProcedure<V> procedure)
Executes procedure for each key/value entry in the map.- Parameters:
procedure- aTOFloatObjectProcedurevalue- Returns:
- false if the loop over the entries terminated because the procedure returned false for some entry.
-
retainEntries
public boolean retainEntries(TFloatObjectProcedure<V> procedure)
Retains only those entries in the map for which the procedure returns a true value.- Parameters:
procedure- determines which entries to keep- Returns:
- true if the map was modified.
-
transformValues
public void transformValues(TObjectFunction<V,V> function)
Transform the values in this map using function.- Parameters:
function- aTObjectFunctionvalue
-
writeExternal
public void writeExternal(java.io.ObjectOutput out) throws java.io.IOException- Specified by:
writeExternalin interfacejava.io.Externalizable- Overrides:
writeExternalin classTHash- Throws:
java.io.IOException
-
readExternal
public void readExternal(java.io.ObjectInput in) throws java.io.IOException, java.lang.ClassNotFoundException- Specified by:
readExternalin interfacejava.io.Externalizable- Overrides:
readExternalin classTHash- Throws:
java.io.IOExceptionjava.lang.ClassNotFoundException
-
toString
public java.lang.String toString()
- Overrides:
toStringin classjava.lang.Object
-
-